Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/11/2024, 19:50

General

  • Target
    6a320de21bbba1a93f56eee513ec18a594ac1caa754c9ce946863022bbf62ceb.exe
  • Size 338KB
  • Sample241121-ykrjbawkbx
  • SHA256 6a320de21bbba1a93f56eee513ec18a594ac1caa754c9ce946863022bbf62ceb
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6a320de21bbba1a93f56eee513ec18a594ac1caa754c9ce946863022bbf62ceb.exe
    "C:\Users\Admin\AppData\Local\Temp\6a320de21bbba1a93f56eee513ec18a594ac1caa754c9ce946863022bbf62ceb.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:632
    • C:\Users\Admin\AppData\Local\Temp\drfgruezwu.exe
      C:\Users\Admin\AppData\Local\Temp\drfgruezwu.exe C:\Users\Admin\AppData\Local\Temp\flhuvaanr
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4484
      • C:\Users\Admin\AppData\Local\Temp\drfgruezwu.exe
        C:\Users\Admin\AppData\Local\Temp\drfgruezwu.exe C:\Users\Admin\AppData\Local\Temp\flhuvaanr
        3⤵
          PID:2164
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4484 -s 516
          3⤵
          • Program crash
          PID:1332
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4484 -ip 4484
      1⤵
        PID:2772

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            drfgruezwu.exe

            • Path C:\Users\Admin\AppData\Local\Temp\drfgruezwu.exe
            • Size 235KB
            • SHA256 4a5824da0a6b328ddcf55a46e71ae5648c3c2fb3ce8e39add28de82c3e97ef5b
            • MD5 SHA1 SHA512 SSDEEP

            flhuvaanr

            • Path C:\Users\Admin\AppData\Local\Temp\flhuvaanr
            • Size 4KB
            • SHA256 649cee55f8b6d06eacb6c7f3fd98a153873c66230bc1b17c8789fd8fa3ca0d40
            • MD5 SHA1 SHA512 SSDEEP

            x6x2dqsyxlhw6i7v7rx

            • Path C:\Users\Admin\AppData\Local\Temp\x6x2dqsyxlhw6i7v7rx
            • Size 211KB
            • SHA256 f956110ead3550c2d01cd7796c82d1e31de04513e29db33937ef0dea4358c2d0
            • MD5 SHA1 SHA512 SSDEEP

            memory/4484-8-0x00000000004D0000-0x00000000004D2000-memory.dmp